diff options
Diffstat (limited to 'Documentation/devicetree/bindings/clock')
| -rw-r--r-- | Documentation/devicetree/bindings/clock/idt,versaclock5.txt | 16 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/clock/rockchip,rv1108-cru.txt (renamed from Documentation/devicetree/bindings/clock/rockchip,rk1108-cru.txt) | 12 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/clock/sunxi-ccu.txt | 18 |
3 files changed, 36 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/clock/idt,versaclock5.txt b/Documentation/devicetree/bindings/clock/idt,versaclock5.txt index 87e9c47a89a3..53d7e50ed875 100644 --- a/Documentation/devicetree/bindings/clock/idt,versaclock5.txt +++ b/Documentation/devicetree/bindings/clock/idt,versaclock5.txt @@ -6,18 +6,21 @@ from 3 to 12 output clocks. ==I2C device node== Required properties: -- compatible: shall be one of "idt,5p49v5923" , "idt,5p49v5933". +- compatible: shall be one of "idt,5p49v5923" , "idt,5p49v5933" , + "idt,5p49v5935". - reg: i2c device address, shall be 0x68 or 0x6a. - #clock-cells: from common clock binding; shall be set to 1. - clocks: from common clock binding; list of parent clock handles, - 5p49v5923: (required) either or both of XTAL or CLKIN reference clock. - - 5p49v5933: (optional) property not present (internal + - 5p49v5933 and + - 5p49v5935: (optional) property not present (internal Xtal used) or CLKIN reference clock. - clock-names: from common clock binding; clock input names, can be - 5p49v5923: (required) either or both of "xin", "clkin". - - 5p49v5933: (optional) property not present or "clkin". + - 5p49v5933 and + - 5p49v5935: (optional) property not present or "clkin". ==Mapping between clock specifier and physical pins== @@ -34,6 +37,13 @@ clock specifier, the following mapping applies: 1 -- OUT1 2 -- OUT4 +5P49V5935: + 0 -- OUT0_SEL_I2CB + 1 -- OUT1 + 2 -- OUT2 + 3 -- OUT3 + 4 -- OUT4 + ==Example== /* 25MHz reference crystal */ diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk1108-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rv1108-cru.txt index 4da126116cf0..161326a4f9c1 100644 --- a/Documentation/devicetree/bindings/clock/rockchip,rk1108-cru.txt +++ b/Documentation/devicetree/bindings/clock/rockchip,rv1108-cru.txt @@ -1,12 +1,12 @@ -* Rockchip RK1108 Clock and Reset Unit +* Rockchip RV1108 Clock and Reset Unit -The RK1108 clock controller generates and supplies clock to various +The RV1108 clock controller generates and supplies clock to various controllers within the SoC and also implements a reset controller for SoC peripherals. Required Properties: -- compatible: should be "rockchip,rk1108-cru" +- compatible: should be "rockchip,rv1108-cru" - reg: physical base address of the controller and length of memory mapped region. - #clock-cells: should be 1. @@ -19,7 +19,7 @@ Optional Properties: Each clock is assigned an identifier and client nodes can use this identifier to specify the clock which they consume. All available clocks are defined as -preprocessor macros in the dt-bindings/clock/rk1108-cru.h headers and can be +preprocessor macros in the dt-bindings/clock/rv1108-cru.h headers and can be used in device tree sources. Similar macros exist for the reset sources in these files. @@ -38,7 +38,7 @@ clock-output-names: Example: Clock controller node: cru: cru@20200000 { - compatible = "rockchip,rk1108-cru"; + compatible = "rockchip,rv1108-cru"; reg = <0x20200000 0x1000>; rockchip,grf = <&grf>; @@ -50,7 +50,7 @@ Example: UART controller node that consumes the clock generated by the clock controller: uart0: serial@10230000 { - compatible = "rockchip,rk1108-uart", "snps,dw-apb-uart"; + compatible = "rockchip,rv1108-uart", "snps,dw-apb-uart"; reg = <0x10230000 0x100>; interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; reg-shift = <2>; diff --git a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt index bae5668cf427..e9c5a1d9834a 100644 --- a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt +++ b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt @@ -7,9 +7,12 @@ Required properties : - "allwinner,sun8i-a23-ccu" - "allwinner,sun8i-a33-ccu" - "allwinner,sun8i-h3-ccu" + - "allwinner,sun8i-h3-r-ccu" - "allwinner,sun8i-v3s-ccu" - "allwinner,sun9i-a80-ccu" - "allwinner,sun50i-a64-ccu" + - "allwinner,sun50i-a64-r-ccu" + - "allwinner,sun50i-h5-ccu" - reg: Must contain the registers base address and length - clocks: phandle to the oscillators feeding the CCU. Two are needed: @@ -19,7 +22,10 @@ Required properties : - #clock-cells : must contain 1 - #reset-cells : must contain 1 -Example: +For the PRCM CCUs on H3/A64, one more clock is needed: +- "iosc": the SoC's internal frequency oscillator + +Example for generic CCU: ccu: clock@01c20000 { compatible = "allwinner,sun8i-h3-ccu"; reg = <0x01c20000 0x400>; @@ -28,3 +34,13 @@ ccu: clock@01c20000 { #clock-cells = <1>; #reset-cells = <1>; }; + +Example for PRCM CCU: +r_ccu: clock@01f01400 { + compatible = "allwinner,sun50i-a64-r-ccu"; + reg = <0x01f01400 0x100>; + clocks = <&osc24M>, <&osc32k>, <&iosc>; + clock-names = "hosc", "losc", "iosc"; + #clock-cells = <1>; + #reset-cells = <1>; +}; |